Welcome!
The Cement Masons and Plasterers Trust Funds (for WA, AK, and E. WA/ID) was established to provide medical, retirement, and 401(k) account benefits for their eligible members and their dependents through the collective bargaining process.
This site provides general benefit information, forms and other Trust related items. Summary of Benefits and Coverage (SBC) and Glossary of Terms can be reviewed here.
Appointments:
You can now book in-person appointments online at our Mercer Island Office! To book an appointment with a representative, please click here.
Announcements
401(k) Plan - WCM Monthly Fee Increase - October 2026
Please see the notice below concerning the increase of the monthly fee for certain 401(k) Plan-related costs.
Notice mailed September 17th, 2026
WCM Monthly Fee Increase – October 2026